﻿* {
  margin: 0;
  padding: 0;
}
 
body
{
    font: 62.5%/1.6 宋体, Arial, Helvetica, sans-serif;
    background-color: #D4D4D4;
}
 
h1 {
  font-size: 2.4em;
  font-weight: normal;
}
 
h2 {
  font-size: 2.0em;
  font-weight: normal;
} 

 
h1, h2, p {
  margin: 1em 0;
}
 
#branding h1 {
  margin: 0;
}
 
#branding {
  height: 50px;
  background-color:#b0b0b0;
  padding: 20px;
}
 
#mainNav {
  list-style: none;
}
 
#footer {
  background-color:#b0b0b0;
  padding: 1px 20px;
} 

body {
  text-align: center; 
  min-width: 760px;
}
 
#wrapper {
  width: 720px; 
  margin: 0 auto; 
  text-align: left;
  background: #fff;
}
 
 
#content { 
  width: 520px;
  float: right; 
}
 
#mainNav { 
  width: 180px; 
  float: left; 
} 
 
#footer { 
  clear: both; 
} 

 
#mainNav {
  padding-top: 20px;
  padding-bottom: 20px;
}
 
#mainNav * {
  padding-left: 20px;
  padding-right: 20px;
}
 
#mainNav * * {
  padding-left: 0;
  padding-right: 0;
}
 
#content * {
  padding-right: 20px;
}
 
#content * * {
  padding-right: 0;
}
 
